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Bigger, sharper televisions that can be controlled with a wave of the hand are
among the technological marvels on offer at the Consumer Electronics Show in
Las Vegas.

The world’s biggest technology companies will try to convince millions that
they need to upgrade their televisions this week, showing off new TV sets
with screens they claim are sharper and smarter than ever before.

The likes of Samsung, Sony and LG unveiled new “ultra high-definition”
televisions at the Consumer Electronics Show (CES) in Las Vegas which opens
today, featuring screens that have four times the picture quality of today’s
now-standard “HDTVs”.